In addition, TinyViz supports a simple "plugin" API that allows you to write your own TinyViz modules to visualize data in an application-specific way, or interact with the running simulation. All debug messages are logged to two different logfiles. The parameters for each simulation are separated by a blank line. The "delay" slider introduces a delay between the handling of each TOSSIM event, which will slow down the display -- useful in cases where you have a small number of motes and want to watch the simulation operating in "real time". This is a sample TinyViz autorun file. You can set up AutoRun to run a series of simulations and then go to lunch -- the data will be waiting for you in your logfiles when you get back. In the future we will add support for a "plugin path". 
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Note that all options specified in the file that aren't used by AutoRun itself, however they made available to plugins. Plugins react to events by changing internal state, updating the display, or possibly sending commands back into the simulation. TinyViz delivers events to plugins for initialization, debug messages, radio messages, a change in the location of a mote e. In the future we will add support for a "plugin path". The "delay" slider introduces a delay between the handling of each TOSSIM event, ginyviz.jar will slow down the display -- useful in cases where you have a small number of motes and want to watch the simulation operating in "real time".
When a parameter is set in the file for one simulation, it will carry forward for subsequent simulations in the file, saving you from having to re-specify parameters for each run.
The "grid button" toggles grid-lines on the display. Plugins can be selectively enabled or disabled, depending on what information you are interested in seeing during the simulation. Plugins are designed to be independent of each other so you can enable or disable any group of plugins you like. Today - Yesterday - Total. The parameters for each simulation are separated by a blank line.
TinyOS - Help - Power Profiling in TOSSIM (TinyViz)
This is useful when you are using TinyViz as an analysis tool. In the mote window, you can select motes by clicking on them, or select a group of motes by dragging a rectangle around the group. Writing plugins is beyond the scope of this document, but we wanted to give you a couple of pointers on where to start.
The location of the motes on the display is used in two ways.
In addition, TinyViz supports a simple "plugin" API that allows you to write your own TinyViz modules to visualize data in an application-specific way, or interact with the running simulation. Selecting motes is meaningful for certain plugins, and other operations, such as toggling the power state of the motes.
All debug messages are logged to two different logfiles. You can set up AutoRun to run a series of simulations and then go to lunch -- the data will be waiting for you in your logfiles when you get back. The "stop" button kills the simulation.
This allows you to automatically enable plugins, set breakpoints, run multiple simulations, log data to files, and execute commands both before and after each simulation runs. You can also save and load layouts from a file. By far the most useful feature of TinyViz is the ability to write your own plugins to interact with the simulation.
Power Profiling in TOSSIM (TinyViz)
This is a sample TinyViz autorun file. You can move motes around by dragging them around. On the left is the graphical display of the sensor network. Similarly, one can test and debug low-level protocols such as start symbol detection in addition to application components and routing protocols.
There isn't anything interesting about the application itself, but it will allow us to demonstrate the basic features of TinyViz. The autorun file specifies one or more simulations to run; a simulation stops either when a specified number of simulated seconds have elapsed the " numsec " optionwhen a substring match on a debug message occurs the " stopstring " optionor when the simulation exits itself e.
When a plugin is enabled, its corresponding tab in the right-hand control panel window is active, which may have additional information and controls provided by that plugin. You can write your own plugins that are configured through AutoRun in this way. TinyViz starts up, enables and configures the appropriate plugins, and automatically runs each simulation for 10 simulated seconds, then exits.
Plugins provide additional methods that are called when the plugin is enabled or disabled, as well as when the mote window is redrawn. Using TinyViz, you can easily trace the execution of TinyOS apps, set breakpoints when interesting events occur, visualize radio messages, and manipulate the virtual position and radio connectivity of motes. The "clear" button clears out the display state.
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